6126140197 has 2 divisors, whose sum is σ = 6126140198. Its totient is φ = 6126140196.

The previous prime is 6126140143. The next prime is 6126140219. The reversal of 6126140197 is 7910416216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5800193281 + 325946916 = 76159^2 + 18054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6126140197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6120140197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063070098 + 3063070099.

It is an arithmetic number, because the mean of its divisors is an integer number (3063070099).

Almost surely, 2^6126140197 is an apocalyptic number.

It is an amenable number.

6126140197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6126140197 is an equidigital number, since it uses as much as digits as its factorization.

6126140197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6126140197 is about 78269.6633249435. The cubic root of 6126140197 is about 1829.7663807399.

The spelling of 6126140197 in words is "six billion, one hundred twenty-six million, one hundred forty thousand, one hundred ninety-seven".